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FullStory: NA Data Center: Session Processing Backlog and Partial Data Loss

No impact listedStatus: resolvedStarted Resolved (-42524 min)1 updatestspg.io (opens in new tab)

Timeline of updates

  1. resolved

    On April 6th, 2026, we introduced a limit on the number of pages that can be recorded in a single session to ensure optimal performance. An unexpected side effect caused our systems to continue collecting excess session data without properly saving it, creating a processing backlog. To resolve this, we quickly paused the limit and significantly increased our system's processing capacity to clear the backlog.
    Unfortunately, because of the size of the delay, a portion of session data was permanently deleted before it could be successfully archived. Due to ongoing metric degradation as a result of that incident, we experienced a similar build up in our processing backlog on May 18th 2026. While we were able to capture the events in these sessions, the affected sessions will appear in a blank state. This issue impacted a small subset of sessions in some customer accounts in our NA data center from May 7th, 04:00 UTC to May 19th, 07:00 UTC when the issue was ultimately resolved.

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Cite this

Status incident (vendor impact label: none) posted by FullStory, started 2026-06-05 16:44 UTC, resolved after -42524 min, 1 update(s).

Title
NA Data Center: Session Processing Backlog and Partial Data Loss
Vendor
FullStory
Date
URL
https://rewindex.com/company/fullstory/incidents/ny0fqnghh7v0

FullStory profileRecent FullStory incidentsAll outages on June 5, 2026FullStory in June 2026MarkdownJSON